CN119054278A - 图像编码装置及图像编码方法 - Google Patents

图像编码装置及图像编码方法 Download PDF

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Publication number
CN119054278A
CN119054278A CN202380035608.5A CN202380035608A CN119054278A CN 119054278 A CN119054278 A CN 119054278A CN 202380035608 A CN202380035608 A CN 202380035608A CN 119054278 A CN119054278 A CN 119054278A
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CN
China
Prior art keywords
data
scale factor
code amount
component
image
Prior art date
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Pending
Application number
CN202380035608.5A
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English (en)
Chinese (zh)
Inventor
古谷晃一
北村臣二
小仓洋一
岩桥直大
水户部理
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Nuvoton Technology Corp Japan
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Nuvoton Technology Corp Japan
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Application filed by Nuvoton Technology Corp Japan filed Critical Nuvoton Technology Corp Japan
Publication of CN119054278A publication Critical patent/CN119054278A/zh
Pending legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/124—Quantisation
    • H04N19/126—Details of normalisation or weighting functions, e.g. normalisation matrices or variable uniform quantisers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/115—Selection of the code volume for a coding unit prior to coding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/136—Incoming video signal characteristics or properties
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
    • H04N19/176—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/186—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being a colour or a chrominance component

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
CN202380035608.5A 2022-04-27 2023-04-24 图像编码装置及图像编码方法 Pending CN119054278A (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2022073863 2022-04-27
JP2022-073863 2022-04-27
PCT/JP2023/016152 WO2023210594A1 (ja) 2022-04-27 2023-04-24 画像符号化装置及び画像符号化方法

Publications (1)

Publication Number Publication Date
CN119054278A true CN119054278A (zh) 2024-11-29

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202380035608.5A Pending CN119054278A (zh) 2022-04-27 2023-04-24 图像编码装置及图像编码方法

Country Status (4)

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JP (1) JPWO2023210594A1 (https=)
KR (1) KR20250003592A (https=)
CN (1) CN119054278A (https=)
WO (1) WO2023210594A1 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2026075049A1 (ja) * 2024-10-02 2026-04-09 ヌヴォトンテクノロジージャパン株式会社 画像符号化装置及び画像符号化方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4631629Y1 (https=) 1968-10-19 1971-11-01
JP2006166259A (ja) * 2004-12-09 2006-06-22 Nikon Corp デジタルカメラ並びにデジタルカメラシステム、画像圧縮方法、画像処理方法及びプログラム並びにそれらを記録したコンピュータ読み取り可能な記録媒体
JP2009038746A (ja) * 2007-08-03 2009-02-19 Panasonic Corp 画像情報符号化装置
JP2009188826A (ja) * 2008-02-07 2009-08-20 Toshiba Corp 動画像符号化装置
JP5800362B2 (ja) * 2011-12-27 2015-10-28 Kddi株式会社 動画像送出装置、動画像受信装置、動画像伝送システム、動画像送出方法、動画像受信方法、およびプログラム
JP6502739B2 (ja) 2015-04-28 2019-04-17 キヤノン株式会社 画像符号化装置、画像処理装置、画像符号化方法
JP6906324B2 (ja) * 2017-02-20 2021-07-21 キヤノン株式会社 符号化装置、符号化方法、及び、プログラム
CN109040789B (zh) * 2017-04-08 2021-05-28 腾讯科技（深圳）有限公司 一种图片文件处理方法
JP2020092327A (ja) * 2018-12-05 2020-06-11 キヤノン株式会社 画像符号化装置、画像符号化方法、およびプログラム

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Publication number Publication date
WO2023210594A1 (ja) 2023-11-02
KR20250003592A (ko) 2025-01-07
JPWO2023210594A1 (https=) 2023-11-02

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